Model hobby glowplug power source with negative terminal headlock



FIG. 1 is a perspective view of a model hobby glowplug power source with negative terminal headlock, showing my new design;

FIG. 2 is a front elevational view thereof on an enlarged scale;

FIG. 3 is a back elevational view thereof on an enlarged scale;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a right-side elevational view thereof of which the left side elevational view is a mirror image. 

The ornamental design of a model hobby glowplug power source with negative terminal headlock, substantially as shown and described. 